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Search: id:A035831
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| A035831 |
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Coordination sequence for lattice D*_92 (with edges defined by l_1 norm = 1). |
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1
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| 1, 184, 16928, 1038312, 47770816, 1758589016, 53961910368, 1419683493256, 32693191777664, 669498341282552, 12344924033021088, 207044682467947560, 3184972567869380160, 45254803384239490200, 597507392393892768480
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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J. Serra-Sagrista, Enumeration of lattice points in l_1 norm, Information Processing Letters, 76, no. 1-2 (2000), 39-44.
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FORMULA
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a(m)=add(2^k*binomial(n, k)*binomial(m-1, k-1), k=0..n)+2^n*binomial((n+2*m)/2-1, n-1); with n=92.
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CROSSREFS
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Adjacent sequences: A035828 A035829 A035830 this_sequence A035832 A035833 A035834
Sequence in context: A030465 A061657 A121733 this_sequence A094631 A060491 A139265
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KEYWORD
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nonn
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AUTHOR
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njas, J. Serra-Sagrista (jserra(AT)ccd.uab.es)
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